docstr: Tests that np.random.default_rng() returns a generator when passed a bit
  generator.  Also checks that the bit generators are imported into the namespace.
docstr_tok: ["Tests","that","np.random.default_rng","(",")","returns","a","generator","when","passed","a","bit","generator",".","Also","checks","that","the","bit","generators","are","imported","into","the","namespace","."]
code: def test_bit_generators(self, bitgen_cls):
      """Tests that np.random.default_rng() returns a generator when passed a bit
      generator.  Also checks that the bit generators are imported into the namespace.
      """
  
      bitgen = bitgen_cls()
  
      rng = random.default_rng(bitgen)
  
      assert isinstance(rng, random.Generator)
      assert isinstance(rng.bit_generator, bitgen_cls)
  
      output = rng.random((3,))
      assert isinstance(output, np.tensor)
  
file_path: pennylane/tests/numpy/test_numpy_random.py
imports: import pytest
  from pennylane import numpy
  from pennylane.numpy import random
label_desc: Use image node_id 2 for calling the Test_default_rng obj's underlying member method code with example usage: obj.test_bit_generators(bitgen_cls) without return types